diff options
Diffstat (limited to 'firmware/target/arm/system-arm.h')
| -rw-r--r-- | firmware/target/arm/system-arm.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/firmware/target/arm/system-arm.h b/firmware/target/arm/system-arm.h index 719ec82f1b..2d8c6f2c9f 100644 --- a/firmware/target/arm/system-arm.h +++ b/firmware/target/arm/system-arm.h @@ -76,9 +76,32 @@ void __div0(void); #define ints_enabled_checkval(val) \ (((val) & IRQ_FIQ_STATUS) == 0) +#define CPU_MODE_USER 0x10 +#define CPU_MODE_FIQ 0x11 +#define CPU_MODE_IRQ 0x12 +#define CPU_MODE_SVC 0x13 +#define CPU_MODE_ABT 0x17 +#define CPU_MODE_UNDEF 0x1b +#define CPU_MODE_SYS 0x1f + /* We run in SYS mode */ +#define CPU_MODE_THREAD_CONTEXT CPU_MODE_SYS + #define is_thread_context() \ - (get_processor_mode() == 0x1f) + (get_processor_mode() == CPU_MODE_THREAD_CONTEXT) + +/* Assert that the processor is in the desired execution mode + * mode: Processor mode value to test for + * rstatus...: Provide if you already have the value saved, otherwise leave + * blank to get it automatically. + */ +#define ASSERT_CPU_MODE(mode, rstatus...) \ + ({ unsigned long __massert = (mode); \ + unsigned long __mproc = *#rstatus ? \ + ((rstatus +0) & 0x1f) : get_processor_mode(); \ + if (__mproc != __massert) \ + panicf("Incorrect CPU mode in %s (0x%02lx!=0x%02lx)", \ + __func__, __mproc, __massert); }) /* Core-level interrupt masking */ |